her husband mark kelly would later say that if there had been tougher background checks. his wife might have been spared. or if there had been >> there are too many children that are dying we must do something! >> catherine: a limit on the size of ammunition magazines.the shooting that wounded her might have been more limited. also testifying today. the head of the national rifle association. he didn't give much ground.saying he does 'not' support the expansion of backgroundchecks for gun sales. you miss the point completely i think that it is basic. >> i think you have missed the point. >> catherine: senator dick durbin of illinois also passed on the sad news of one of the latest victims of gun violence in chicago. a 15 year-old honors student named hadiya pendleton. killed tuesday in a park minutes after taking a final exam at school. just last week hadiya performed with her high school band at president obama's inaugural. the tragedy comes days after the president - whose home is only a mile from the shooting scene - announced plans to ban assault weapons as part of an